From 9376bb5411af48444166573ace4b364026251967 Mon Sep 17 00:00:00 2001
From: PrettyWood <em.jolibois@gmail.com>
Date: Tue, 12 Jan 2021 18:48:19 +0100
Subject: [PATCH] feat: pass down config to created models

---
 docs/examples/annotated_types_typed_dict.py | 16 +++++++++++++++-
 pydantic/validators.py                      |  6 +++---
 tests/test_annotated_types.py               | 18 ++++++++++++++++++
 3 files changed, 36 insertions(+), 4 deletions(-)

diff --git a/docs/examples/annotated_types_typed_dict.py b/docs/examples/annotated_types_typed_dict.py
index 1ae1c6cdb94..382ba65f369 100644
--- a/docs/examples/annotated_types_typed_dict.py
+++ b/docs/examples/annotated_types_typed_dict.py
@@ -1,6 +1,6 @@
 from typing import TypedDict
 
-from pydantic import BaseModel, ValidationError
+from pydantic import BaseModel, Extra, ValidationError
 
 
 # `total=False` means keys are non-required
@@ -17,6 +17,9 @@ class User(TypedDict):
 class Model(BaseModel):
     u: User
 
+    class Config:
+        extra = Extra.forbid
+
 
 print(Model(u={'identity': {'name': 'Smith', 'surname': 'John'}, 'age': '37'}))
 
@@ -29,3 +32,14 @@ class Model(BaseModel):
     Model(u={'identity': {'name': ['Smith'], 'surname': 'John'}, 'age': '24'})
 except ValidationError as e:
     print(e)
+
+try:
+    Model(
+        u={
+            'identity': {'name': 'Smith', 'surname': 'John'},
+            'age': '37',
+            'email': 'john.smith@me.com',
+        }
+    )
+except ValidationError as e:
+    print(e)
diff --git a/pydantic/validators.py b/pydantic/validators.py
index a8303f84010..6bfc2058093 100644
--- a/pydantic/validators.py
+++ b/pydantic/validators.py
@@ -568,7 +568,7 @@ def named_tuple_validator(values: Tuple[Any, ...]) -> NamedTupleT:
     return named_tuple_validator
 
 
-def make_typed_dict_validator(type_: Type['TypedDict']) -> Callable[[Any], Dict[str, Any]]:
+def make_typed_dict_validator(type_: Type['TypedDict'], config: Type['BaseConfig']) -> Callable[[Any], Dict[str, Any]]:
     from .main import create_model
 
     field_definitions: Dict[str, Any]
@@ -593,7 +593,7 @@ def make_typed_dict_validator(type_: Type['TypedDict']) -> Callable[[Any], Dict[
             field_name: (field_type, default_value) for field_name, field_type in type_.__annotations__.items()
         }
 
-    TypedDictModel: Type['BaseModel'] = create_model('TypedDictModel', **field_definitions)
+    TypedDictModel: Type['BaseModel'] = create_model('TypedDictModel', __config__=config, **field_definitions)
 
     def typed_dict_validator(values: 'TypedDict') -> Dict[str, Any]:
         return TypedDictModel(**values).dict(exclude_unset=True)
@@ -696,7 +696,7 @@ def find_validators(  # noqa: C901 (ignore complexity)
         yield make_named_tuple_validator(type_)
         return
     if is_typed_dict_type(type_):
-        yield make_typed_dict_validator(type_)
+        yield make_typed_dict_validator(type_, config)
         return
 
     class_ = get_class(type_)
diff --git a/tests/test_annotated_types.py b/tests/test_annotated_types.py
index a84e4efb522..e3b74155dee 100644
--- a/tests/test_annotated_types.py
+++ b/tests/test_annotated_types.py
@@ -154,3 +154,21 @@ class Model(BaseModel):
                 'type': 'value_error.missing',
             }
         ]
+
+
+def test_typed_dict_extra():
+    class User(TypedDict):
+        name: str
+        age: int
+
+    class Model(BaseModel):
+        u: User
+
+        class Config:
+            extra = 'forbid'
+
+    with pytest.raises(ValidationError) as exc_info:
+        Model(u={'name': 'pika', 'age': 7, 'rank': 1})
+    assert exc_info.value.errors() == [
+        {'loc': ('u', 'rank'), 'msg': 'extra fields not permitted', 'type': 'value_error.extra'},
+    ]